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Which of these was the first source of oxygen in our atmosphere?
The first source of oxygen in our atmosphere was likely the photosynthesis of cyanobacteria, also known as blue-green algae. Over time, these microorganisms released oxygen as a byproduct of their metabolic processes, gradually increasing the oxygen levels in Earth's atmosphere.
What are three ways oxygen gas is removed from the atmosphere and use?
Animals respire. Plants respire. Fire uses oxygen. Rusting uses oxygen. Oxygen is removed from the atmosphere by 1. respiration 2. combustion and 3. gradual oxidation process at normal temperature and pressure. It is added to the atmosphere by photosynthesis of green plants.
How oxygen is produce by green plants?
Green plants produce oxygen through the process of photosynthesis. During this process, plants absorb carbon dioxide from the air and water from the soil, using sunlight as an energy source to convert these substances into glucose (sugar) and oxygen. The oxygen produced is then released into the atmosphere as a byproduct.
What is the source of the earths oxygen?
The primary source of Earth's oxygen is through the process of photosynthesis carried out by plants, algae, and cyanobacteria. These organisms use sunlight to convert carbon dioxide into oxygen as a byproduct. Additionally, a small amount of oxygen is produced through chemical reactions in the atmosphere.
What looks blue and green because of gas?
The planet Earth looks blue and green from space because of its atmosphere, which contains gases like oxygen and nitrogen that scatter sunlight to create those colors.
How are the two types of mesophyll found in a leaf specialized for photosynthesis?
The two types of photosynthetic mesophyll are -- (i) Palisade cells which are vertically elongated cylindrical cells and (ii) Spongy mesophyll cells that are spherical green cells.
Which type of plant cell is rich in chloroplast?
Chloroplasts are most abundant in the cells of green plants, specifically in the leaf cells. These cells are known as mesophyll cells and are responsible for photosynthesis, where chloroplasts capture sunlight to produce energy for the plant.
Why are mesophyll cells often called chlorenchyma?
Mesophyll cells are often called chlorenchyma because they are specialized plant cells responsible for photosynthesis. These cells contain numerous chloroplasts, giving them a green color due to the presence of chlorophyll. Chlorenchyma is important for capturing sunlight and converting it into chemical energy for the plant.
Where is chlorophyll located is plants?
They are located in the thylakoids, which are in chloroplasts in the mesophyll cells of a leaf. -------------------------------------------------------------------------------------------- Chlorophyll is green therefore it is located in the green parts of a plant.
Where are chloroplasts located in green plants?
Chloroplasts are located in the cells of green plants, primarily in the mesophyll layer of leaves. They are also present in other green parts of plants, such as stems and unripe fruits, where photosynthesis takes place. The chloroplasts contain chlorophyll, the pigment responsible for capturing sunlight energy during photosynthesis.
What is the green tissue in the interior of a leaf?
mesophyll
What is the green tissue in the interior of the leaf?
mesophyll
What do you call leaves that only contain chlorophyll in some of their cells?
Leaves that only contain chlorophyll in some of their cells are called variegated leaves. This variation in chlorophyll content can result in patterns of different colors in the leaves, such as green and white or green and yellow.
What were blue green algae responsible for making?
Blue-green algae, also known as cyanobacteria, were responsible for producing a significant amount of the oxygen in Earth's early atmosphere through photosynthesis. They were also one of the first organisms to produce oxygen on Earth, leading to the oxygenation of the atmosphere.
How did the oxygen in your atmosphere get there?
The way the oxygen got into our atmosphere is when the green plants do photosynthesis. Green plants take in carbon dioxide, sunlight, and water to make glucose and of course oxygen. After a while, the plants did enough photosynthesis that the earth got an atmosphere .
What veins make photosynthesis?
In plants, photosynthesis primarily occurs in the mesophyll cells of the leaves. These cells are rich in chloroplasts, which contain the pigment chlorophyll necessary for capturing sunlight and converting it into chemical energy. Veins in the leaves help transport water and nutrients to the mesophyll cells for photosynthesis to take place efficiently.
How do green vegetation help to increase the quantity of oxygen in the atmosphere?
Green vegetation plays a critical role in producing oxygen through the process of photosynthesis. During photosynthesis, plants take in carbon dioxide and water and convert them into oxygen and glucose with the help of sunlight. As a result, green vegetation helps to increase the quantity of oxygen in the atmosphere by releasing it as a byproduct of this process.
